<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/web/thymeleaf/layout">
<head th:replace="demo/layout/head :: head(~{::title}, ~{::link})">
    <title>测试</title>
    <link rel="stylesheet" th:href="@{/css/index.css}">
    <link rel="stylesheet" th:href="@{/css/test.css}">
</head>
<body>
<div>
    <div th:insert="~{/layout/header :: header}"></div>
    <div th:insert="~{/layout/lefter :: menu}"></div>
    <div layout:fragment="content">content</div>
    <div th:insert="~{/layout/footer :: copyright}"></div>
</div>
</body>
</html>